This page is for non-emergency concerns. If you have severe or rapidly worsening symptoms (trouble breathing, chest pain, signs of stroke, severe allergic reaction, uncontrolled bleeding, fainting, confusion), call 911 or go to the nearest emergency room.
A Small Sore Can Spread More Easily Than Expected
Impetigo is a contagious superficial bacterial skin infection. It may begin as red spots or small blisters that open and form yellowish or honey-colored crusts, often around the nose or mouth. It can occur in children or adults, and scratching can spread infection to new areas of skin.
Not every crusted patch is impetigo. Irritated skin, cold sores and other infections can look similar, so a medical assessment can help determine the best next step.
Why Appearance and Distribution Matter
A clinician may ask when the first sore appeared, whether it is spreading, if anyone else in the household has similar lesions, and whether there is fever or pain. The examination looks for clues that support a bacterial infection or suggest another cause. Some cases can be treated with topical medication; more extensive disease may call for oral medication or another level of care. Choice of treatment is based on clinical judgment and medical history, not appearance alone.
If you have tried a medication already, bring its name and explain whether the rash changed. Mention medication allergies, recurrent skin infections and any underlying condition that affects healing.
Protecting Others During an Episode
Avoid sharing towels, washcloths or personal skin-care items. Wash hands after touching affected skin and discourage scratching. Cover lesions when practical and follow the clinician's instructions about treatment and when it is appropriate to return to school, daycare or work. The goal is to reduce direct contact and help prevent spread within a household.
Do not pick crusts or use someone else's antibiotic. Household members with symptoms should seek their own evaluation as needed.
When to Seek Prompt Care
Rapidly spreading redness, significant pain, fever, worsening swelling or illness beyond a small superficial area needs prompt medical assessment. Facial infection close to the eye, or a person who appears seriously unwell, may require more urgent evaluation.
Practical Questions
Is impetigo contagious? Yes. Direct contact and shared items can spread the bacteria; appropriate treatment and hygiene reduce risk.
Can a clinician always tell from a picture? No. A direct examination and sometimes additional testing help clarify uncertain skin lesions.
Related reading: Other skin conditions, ringworm and mouth sores.
Visit: See booking options or call (440) 624-4026. Seasonal medical exams are $75 (normally $125) through March 1, 2027; separately billed services excluded.
Medical source: CDC — Clinical guidance for impetigo.
This page is for non-emergency concerns. If you have severe or rapidly worsening symptoms (trouble breathing, chest pain, signs of stroke, severe allergic reaction, uncontrolled bleeding, fainting, confusion), call 911 or go to the nearest emergency room.